CONMDEX Guitar Converter Adapter Link for iPhone/iPad/iPod Guitar adapter is a combination of an easy-to-use instrument interface adapter and guitar and bass tone mobile software Download the AmpliTude free app from the iTunes App Store Plug the adapter into the headphone jack of your iPhone, iPod and iPad Plug your guitar or bass into the adapter 1/4 jack, Plug your headphones or external speakers into the adapter headphone jack Now launch AmpliTube Free and start rocking